| Aeronautical Radio Inc. (ARINC) |
| Aerospace Medical Association (AsMA) |
| Air Crash Victims' Families' Federation International (ACVFFI) |
| Airports Council International (ACI) |
| Air Transport Research Society (ATRS) |
| Aviation Working Group (AWG) |
| Civil Air Navigation Services Organisation (CANSO) |
| European Organisation for Civil Aviation Equipment (EUROCAE) |
| Flight Safety Foundation (FSF) |
| Global Express Association (GEA) |
| Institute of International Law (IDI) |
| Inter-American Statistical Institute (IASI) |
| International Academy of Aviation and Space Medicine (IAASM) |
| International Aeronautical Federation (FAI) |
| International Air Transport Association (IATA) |
| International Association for the Physical Sciences of the Ocean (IAPSO) |
| International Association of Aircraft Brokers and Agents (IABA) |
| International Association of Institutes of Navigation (IAIN) |
| International Business Aviation Council (IBAC) |
| International Chamber of Commerce (ICC) |
| International Commission on Illumination (CIE) |
| International Committee for Airspace Standards and Calibration (ICASC) |
| International Coordinating Council of Aerospace Industries Associations (ICCAIA) |
| International Council of Aircraft Owner and Pilot Associations (IAOPA) |
| International Federation of Aeronautical Information Management Associations (IFAIMA) |
| International Federation of Airline Dispatchers' Associations (IFALDA) |
| International Federation of Air Line Pilots' Associations (IFALPA) |
| International Federation of Air Traffic Controllers' Associations (IFATCA) |
| International Federation of Air Traffic Safety Electronics Associations (IFATSEA) |
| International Federation of Helicopter Associations (IFHA) |
| International Geographic Union (IGU) |
| International Law Association (ILA) |
| International Maritime Radio Committee (CIRM) |
| International Organization for Standardization (ISO) |
| International Society of Air Safety Investigators (ISASI) |
| International Statistical Institute (ISI) |
| International Transport Workers' Federation (ITF) |
| International Union of Aerospace Insurers (IUAI) |
| International Union of Geodesy and Geophysics (IUGG) |
| International Union of Railways (UIC) |
| Organization of the Petroleum Exporting Countries (OPEC) |
| Royal Aeronautical Society (RAeS) |
| RTCA, Inc. |
| Société internationale de télécommunications aéronautiques (SITA) |
| Society of Automotive Engineers (SAE) International |
| The International Air Cargo Association (TIACA) |
| World Wide Airport Coordinators Group (WWACG) |
